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Date: Fri, 1 Apr 2016 11:16:20 +0200
From: Sebastian Gottschall <s.gottschall@...wrt.com>
To: musl@...ts.openwall.com
Subject: recvmsg/sendmsg broken on mips64
I discovered that the whole recvmsg/sendmsg code is broken in mips64
but i found also the solution
i throwed out all the _pad1, _pad2 crap in socket.h and the
corrosponding code in recvmsg.c etc.
and used size_t instead. this works at the end. i see no reason for this
padding, since using the correct datatype will handle it in the same way.
this solution may also work for other 64 bit targets. so proposal is
fixing the datatype instead of using int with padding in case of 64 bit
this here is my working struct in mips64 (big endian)
struct msghdr {
void *msg_name;
socklen_t msg_namelen;
struct iovec *msg_iov;
size_t msg_iovlen;
void *msg_control;
size_t msg_controllen;
int msg_flags;
};
struct cmsghdr {
size_t cmsg_len;
int cmsg_level;
int cmsg_type;
};
Sebastian
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